package com.zbmsg.utils.spring;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * <p>
 * 
 * @jira TODO
 * @author 贲国龙
 * @date 2017年5月16日
 * @see 1.5.0
 * @modified TODO
 */
@Component
public class SpringUtil implements ApplicationContextAware {
	private static ApplicationContext applicationContext = null;

	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		if (SpringUtil.applicationContext == null) {
			SpringUtil.applicationContext = applicationContext;
		}
		System.out.println("---------------------------------------------------------------------");
		System.out.println("---------------------------------------------------------------------");
		System.out.println(
				"========ApplicationContext配置成功,在普通类可以通过调用SpringUtils.getAppContext()获取applicationContext对象,applicationContext="
						+ SpringUtil.applicationContext + "========");
		System.out.println("---------------------------------------------------------------------");

	}

	// 获取applicationContext
	public static ApplicationContext getApplicationContext() {
		return applicationContext;
	}

	// 通过name获取 Bean.
	public static Object getBean(String name) {
		return getApplicationContext().getBean(name);

	}

	// 通过class获取Bean.
	public static <T> T getBean(Class<T> clazz) {
		return getApplicationContext().getBean(clazz);
	}

	// 通过name,以及Clazz返回指定的Bean
	public static <T> T getBean(String name, Class<T> clazz) {
		return getApplicationContext().getBean(name, clazz);
	}

}
